Lead Engineer

Rain

. Translate product requirements into robust technical solutions and recommend alternative approaches .

Posted 10/27/2026full-timeRemote • New York • United StatesSenior💰 $180,000 - $230,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing distributed microservices architectures, with a strong focus on building reliable RESTful APIs and managing complex integrations in the fintech domain. Proven leadership in guiding engineering teams to achieve ambitious targets while ensuring system performance and scalability.

Highest-signal resume keywords

Expert-Level Proficiency In Go (Golang)Deep Expertise In SQL (PostgreSQL)Strong Experience With KafkaAdvanced Knowledge Of AWS (ECS, EKS, RDS)Experience With Docker/Kubernetes

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Distributed Systems DesignRESTful API DevelopmentTechnical Documentation CreationCI/CD Pipeline DevelopmentInfrastructure-As-Code

Soft Skills

LeadershipProject OwnershipCollaboration

Tools & Technologies

DockerKubernetesGitHub ActionsGitLab CI

Industry Keywords

FintechFinancial ServicesBankingAsynchronous Workflows

Tech Stack

Tools & technologies

AWSDistributed SystemsDockerKafkaKubernetesMicroservicesPostgresPythonSQLGo

About the role

Key responsibilities & impact

Translate product requirements into robust technical solutions and recommend alternative approaches
Lead engineering efforts to meet ambitious targets
Lead a multidisciplinary squad of backend, frontend, and QA engineers
Manage the team’s technical refinements and productivity
Design and implement reliable systems and applications in a distributed microservices architecture
Build and maintain integrations with third-party vendors and partners
Design and implement highly available RESTful APIs for internal admin portals
Create reusable code and libraries shared across teams
Enforce observability practices using logging, metrics, and alerting
Create and maintain technical documentation covering architecture, APIs, workflows, and configurations
Monitor systems and applications to maximize performance and scalability
Coordinate with product and engineering partners to align priorities, clarify requirements, identify dependencies, and ensure seamless software development lifecycle execution
Shape the architectural direction of Rain’s financial health products
Design financial product systems and lead banking partner integrations
Maintain precision across ledgers and repayment reconciliation processes
Set the technical bar and guide system design decisions

Requirements

What you’ll need

7+ years of professional experience
At least 2+ years in a formal or informal leadership role
Ability to design systems and understand trade-offs between consistency and availability in distributed environments
Strong ownership of projects from concept to completion
Experience with complex large-scale distributed systems
Expert-level proficiency in Go (Golang) and/or Python
Deep expertise in SQL (PostgreSQL), including transaction isolation levels, locking strategies, and schema migrations at scale
Strong experience with Kafka for resilient asynchronous workflows
Proven experience building reliable and scalable user-facing applications
Advanced knowledge of AWS (ECS, EKS, RDS)
Experience with Docker/Kubernetes container orchestration
Experience building or improving CI/CD pipelines using GitHub Actions/GitLab CI
Infrastructure-as-code experience and a “you build it, you run it” mentality
Legally authorized to work in the United States
Must answer application questions about Go, Kafka, SQL/Postgres, RESTful APIs, fintech/financial services/banking, and AI tools

Benefits

Comp & perks

Flexible PTO
Medical, Dental, Vision, Life, Disability coverage
Parental leave
Monthly stipend
Equity options